“Dangerous Weather Map: Heavy Rain & Typhoon Approaching Western and Eastern Japan”

2023-05-31 08:57:17






Dangerous weather map From 1 to 3 days, there is a risk of warning level heavy rain or record heavy rain before the approach of the typhoon in western and eastern Japan

May 31, 2023 17:57

A typhoon will approach Okinawa on the 1st and 2nd, and Okinawa will be devastated. In addition, there is a risk of heavy rain over a wide area of ​​western and eastern Japan before the typhoon approaches. While the seasonal rain front is stagnant, the typhoon moves northward, creating a dangerous weather map that is likely to bring heavy rain. Western Japan will need to be vigilant against heavy rain from the 1st tomorrow, and eastern Japan from the 2nd the day after tomorrow.


Tomorrow 1st and 2nd Typhoon No. 2 will approach the Okinawa region


As of 3:00 pm on the 31st, a large and strong Typhoon No. 2 is moving northward south of Miyako Island at a speed of 10 kilometers per hour.
It is expected to approach the Miyakojima region tomorrow while maintaining a strong force.

The wind is getting stronger around the Sakishima Islands where the typhoon is approaching.
The maximum instantaneous wind speed up to 5:30 pm was 28.7 meters at Miyakojima (5:30 pm) and 26.2 meters at Shimojishima Airport (4:25 pm).
Occasionally, the rain intensifies, and the wind blows so hard that you can’t stand without holding on to something.

Strong winds are expected to blow in the Okinawa region from June 1st to 2nd, and there will be places with severe droughts (more than 9 meters).
Also, in the Amami region, extremely strong winds will blow from June 1st to 2nd, and on the 2nd there will be severe winds.
“Violent winds” are wind blows that can cause injuries from flying objects and overturn trucks.
Please refrain from going out unnecessarily, stay away from windows indoors, and be extremely vigilant against storms.

Typhoon No. 2 is expected to approach the main island of Okinawa on the 2nd, gradually changing its course to the east after approaching the Miyakojima region.
From the 1st to the 2nd of tomorrow, the Sakishima Islands and the main island of Okinawa will be covered by the active rain clouds of the typhoon itself, and very heavy rain will fall, and there is a risk of “alarm-level heavy rain.” Heavy rain, storms, high waves, and storm surges require vigilance.

After approaching the Okinawa region, there is a high possibility that it will move from western Japan to the southern seas of eastern Japan while weakening. Please pay attention to future information.



Heavy rain warning in western and eastern Japan from tomorrow 1st to 3rd before typhoon approach


Even before Typhoon No. 2 approaches, there is a risk of heavy rain over a wide area of ​​western and eastern Japan.

From the 1st to the 3rd tomorrow, the typhoon will move north while the seasonal rain front remains stationary.
The moist air around the typhoon will activate the front, creating dangerous weather conditions.

Cumulonimbus clouds are more likely to form near the front, so if rain clouds stagnate in the same area for a long time, there is a risk of record heavy rainfall.

Western Japan will need to be alert to heavy rain from the afternoon of the 1st tomorrow, and eastern Japan from the 2nd the day after tomorrow. Precipitation is quite high. Please prepare for heavy rain by the early hours of the day tomorrow.



Expected rainfall In some places, the amount of rainfall for the entire month of June will fall at once


Heavy rain is expected over a wide area, mainly from Shikoku to Kanto-Koshin, from June 1st to June 3rd due to the effects of a stationary front and a northward typhoon.
If the rain clouds develop more than currently expected or if they stagnate, there is a possibility of warning-level heavy rain.

Expected 24-hour precipitation from 18:00 on June 1 to 18:00 on June 2
Shikoku region 200 to 300 mm
Kinki, Tokai 100 to 200 mm
Chugoku region, Hokuriku region, Kanto Koshin 100 to 150 mm

After that, the expected 24-hour precipitation from 18:00 on June 2 to 18:00 on June 3 (both places are heavy)
Kinki, Tokai, Kanto Koshin 100 to 200 mm
Shikoku region 100 to 150 mm

There is also a risk of disaster-level heavy rain, so please pay close attention to the information and stay away from dangerous areas.



Heavy rain risk over a wide area Fear of warning level heavy rain or record heavy rain


Even if you look at the forecasted rainfall at the beginning of June, it is quite heavy.
Heavy rains exceeding the average rainfall for the entire month of June (from the 1st to the 30th) are expected to fall in just one or two days in some places.
In Kanto Koshin and Hokuriku, where the rainy season has not yet been announced, it will rain at the same time as the rainy season begins.

Over a wide area, there is a high possibility of “warning heavy rain”, and there is a risk of “record heavy rain”.
Until around the 3rd, be careful and vigilant of landslide disasters, flooding of low-lying land, and flooding of rivers due to heavy rain.


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